ibe_banner

ngwaahịa

2 6-Dimethylpyridine-4-carboxylic acid (CAS# 54221-93-1)

Ngwongwo kemịkalụ:

Usoro ihe omimi C8H9NO2
Molar Mass 151.16
Njupụta 1.183±0.06 g/cm3 (buru amụma)
Ebe Na-agbaze 281 Celsius C
Ebe Boling 353.1± 37.0 °C (buru amụma)
Ebe mgbari 167.4°C
Uzuoku nrịbama 1.35E-05mmHg na 25°C
pKa 2.09±0.10 (buru amụma)
Ọnọdụ Nchekwa n'okpuru gas inert (nitrogen ma ọ bụ argon) na 2-8 Celsius
Ntụgharị uche 1.553

Nkọwa ngwaahịa

Mkpado ngwaahịa

 

Okwu mmalite

2, ụdị organic compound, chemical usoro bụ C8H9NO2. Ọ bụ ihe si na nicotinic acid pụta wee pụta dị ka kristal siri ike na-enweghị agba.

 

Ngwakọta ahụ nwere ebe mgbaze dị elu na ebe a na-esi esi na ụlọ okpomọkụ. Ọ bụ soluble na organic solvents dị ka mmanya, chloroform na ether, ebe solubility ya na mmiri dị ala.

 

2, acid nwere ọtụtụ ojiji a na-eji na mpaghara ọgwụ kemịkalụ na njikọ organic. Enwere ike iji ya dị ka onye na-ahụ maka ọgwụ na-emepụta ọgwụ ma ọ bụ dị ka ihe na-akpali akpali maka njikọ organic. Ebe ọ bụ na ọ nwere ike ịmepụta ihe mgbagwoju anya na ion ígwè, a pụkwara itinye ya na kemistri nhazi.

 

Usoro nke ịkwadebe 2, acid na-emekarị site na ihe mmalite nke toluene site na usoro mmeghachi omume kemịkal. Usoro ndị akọwapụtara gụnyere methylation, carbonylation, chlorination na acidification.

 

Banyere ozi nchekwa ya, 2, acid kwesịrị iji nlezianya mee ya ma ọ bụ ihe siri ike ma ọ bụ ihe ngwọta. O nwere ike ịkpasu iwe na akpụkpọ ahụ, anya na akụkụ iku ume, ya mere a ga-eyi ihe nchebe onwe onye mgbe ị na-arụ ọrụ. Na mgbakwunye, ọ bụkwa ihe na-ere ọkụ na ekwesịrị ka edebe ya pụọ ​​na ọkụ na-emeghe na oxidants siri ike. Ekwesịrị ịkpachapụ anya ka ịzere mmeghachi omume na kemịkalụ ndị ọzọ n'oge nchekwa na ojiji. N'ọnọdụ ihe mberede, ekwesịrị ịme usoro ihe mberede kwesịrị ekwesị ozugbo ma chọọ enyemaka ọkachamara.


  • Nke gara aga:
  • Osote:

  • Dee ozi gị ebe a ziga anyị ya